CN109694136A - A kind of scale inhibition pipe and its production technology - Google Patents
A kind of scale inhibition pipe and its production technology Download PDFInfo
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- CN109694136A CN109694136A CN201811654313.3A CN201811654313A CN109694136A CN 109694136 A CN109694136 A CN 109694136A CN 201811654313 A CN201811654313 A CN 201811654313A CN 109694136 A CN109694136 A CN 109694136A
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- scale inhibition
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- 230000005764 inhibitory process Effects 0.000 title claims abstract description 61
- 238000005516 engineering process Methods 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 238000005245 sintering Methods 0.000 claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 34
- 239000002994 raw material Substances 0.000 claims abstract description 32
- 238000000465 moulding Methods 0.000 claims abstract description 26
- 238000001816 cooling Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical class [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 230000012010 growth Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 235000017557 sodium bicarbonate Nutrition 0.000 description 5
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 235000011148 calcium chloride Nutrition 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical class [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 208000024172 Cardiovascular disease Diseases 0.000 description 1
- 208000000913 Kidney Calculi Diseases 0.000 description 1
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical group [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 1
- 206010029148 Nephrolithiasis Diseases 0.000 description 1
- 241000669244 Unaspis euonymi Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 230000034303 cell budding Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 210000000232 gallbladder Anatomy 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012956 testing procedure Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/02—Moulding by agglomerating
- B29C67/04—Sintering
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Filtering Materials (AREA)
Abstract
The present invention takes a kind of scale inhibition pipe and its production technology, wherein PP and/or PE raw material are formed housing filter core by semi-molten molding sintering by PP the and/or PE raw material that the production technology includes the following steps: S1, takes super high molecular weight；PP and/or PE raw material are formed inner sleeve filter core by semi-molten molding sintering by S2, PP the and/or PE raw material for taking super high molecular weight；S3, it assembles housing filter core and inner sleeve filter core to form tube body, then to pouring into FOF antisludging agent between housing filter core and inner sleeve filter core, and the scale inhibition pipe is formed by semi-molten molding sintering.The present invention keeps the distribution of the antisludging agent in whole branch scale inhibition pipe more uniform, and scale inhibition pipe has preferable scale inhibition effect by slow release FOF antisludging agent, and can constantly play the role of scale inhibition.Meanwhile FOF antisludging agent enter water after will not change water quality, on raw water pH influence it is small, be conducive to keep raw water characteristic.
Description
Technical field
The present invention relates to mitigation and antiscaling technology field more particularly to a kind of scale inhibition pipe and its production technologies.
Background technique
In plumbing field, as the long-time of pipeline uses, it is easy to produce scale.The especially discharge of domestic water
In water, once generating scale, it can cause harm to the human body.Because scale is a kind of difficulty soluble salt, either calcium carbonate, magnesium carbonate
The scale of the scale or calcium sulfate of form, magnesium sulfate form, it is to cause heart kidney stone, gallbladder that human body, which all can not be absorbed and be decomposed,
The arch-criminal of calculus, cardiovascular disease.Scale not only causes very major injury to human body, in the industrial production, can also endanger each
Kind of heat exchange, heating equipment and pipeline such as cause equipment damage or scrap, or even cause boiler be also at equipment explosion with pressure, the scale
The most basic reason of energy consumption waste.
In this regard, the removal to scale is realized using FOF antisludging agent in the prior art.FOF antisludging agent is one kind by French state
The main component that research institute, family develops is the environment-friendly products of organic salt, with efficient scale, environmentally protective, superpower stabilization
Many advantages, such as property.The scale inhibition principle of FOF antisludging agent is that scale is generally formed since small Crystallization, brilliant
Body is precipitated from supersaturated solution, there is nucleus formation and two links of lattice growth, and each link is divided into three growths
Phase, i.e. initial stage, mid-term, latter stage.That is, nucleus can just gradually form lattice after these three growth periods, lattice
Growth is a slow process, and only on certain activating areas of nucleus, adsorption precipitation ion, lattice could be grown, and
Crystal, that is, scale are being gradually formed by three growth periods.The budding period that FOF is grown in scale, i.e. scale nucleus are formed
Initial stage, the forming process of scale nucleus is just directly participated in and interfered in the form of ion, is distorted its nucleus, thus
The formation of nucleus is hindered in the puberty, and then effectively prevents the formation of crystal.Meanwhile FOF antisludging agent enter water after will not
Change water quality, it is small on raw water pH influence, be conducive to the characteristic for keeping raw water.
However, FOF antisludging agent is used in combination with active carbon at present when removing scale removal using FOF antisludging agent,
It is uneven in the presence of mixing, and the FOF antisludging agent for being attached to activated carbon surface is easy to fall off the problem of forming impurity.Therefore, for
The above problem, it is necessary to further solution is proposed, to avoid the generation of scale.
Summary of the invention
The present invention is intended to provide a kind of scale inhibition pipe and its production technology, to overcome the deficiencies in the prior art.
In order to solve the above technical problems, the technical scheme is that
A kind of production technology of scale inhibition pipe comprising following steps:
PP and/or PE raw material are passed through semi-molten molding sintering by S1, PP the and/or PE raw material for taking super high molecular weight
Form housing filter core；
PP and/or PE raw material are passed through semi-molten molding sintering by S2, PP the and/or PE raw material for taking super high molecular weight
Form inner sleeve filter core；
S3, it assembles housing filter core and inner sleeve filter core to form tube body, then be poured between housing filter core and inner sleeve filter core
FOF antisludging agent makes whole branch filter core the former FOF antisludging agent filter layer such as form, and forms the resistance by semi-molten molding sintering
Dirt pipe.
The improvement of production technology as scale inhibition pipe of the invention, when the PP using super high molecular weight is as raw material,
Step S1 is into S3, the technological parameter of semi-molten molding sintering are as follows: sintering temperature is set as 180~220 DEG C, and sintering time is
15~20min, cooling time are 12~16min.
The improvement of production technology as scale inhibition pipe of the invention, when the PP using super high molecular weight is as raw material,
Step S1 is into S3, the technological parameter of semi-molten molding sintering are as follows: sintering temperature is set as 185~210 DEG C, and sintering time is
17min, cooling time 14min.
The improvement of production technology as scale inhibition pipe of the invention, when the PE using super high molecular weight is as raw material,
Step S1 is into S3, the technological parameter of semi-molten molding sintering are as follows: sintering temperature is set as 160~200 DEG C, and sintering time is
10~20min, cooling time are 10~14min.
The improvement of production technology as scale inhibition pipe of the invention, when the PP using super high molecular weight is as raw material,
Step S1 is into S3, the technological parameter of semi-molten molding sintering are as follows: sintering temperature is set as 170~190 DEG C, and sintering time is
15min, cooling time 12min.
PP the and/or PE raw material of the improvement of production technology as scale inhibition pipe of the invention, the super high molecular weight are
Powderous primary material.
The improvement of production technology as scale inhibition pipe of the invention, the weight accounting of the FOF antisludging agent poured into are 10%.
In order to solve the above technical problems, the technical scheme is that
A kind of scale inhibition pipe obtained by production technology as described above.
As the improvement of scale inhibition pipe of the invention, the FOF antisludging agent being packaged in the tube body is evenly distributed on entire pipe
In body, and the channel by being formed in tubular body is released slowly in water body.
Compared with prior art, the beneficial effects of the present invention are: scale inhibition pipe of the present invention passes through slow release FOF antisludging agent,
Whole branch filter core FOF antisludging agent is evenly distributed, no short circuit phenomenon, without short slab, has preferable scale inhibition effect, and can constantly rise
To the effect of scale inhibition.Meanwhile FOF antisludging agent enter water after will not change water quality, on raw water pH influence it is small, be conducive to keep raw water
Characteristic.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in invention, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is the process flow chart of a specific embodiment of the production technology of scale inhibition pipe of the invention；
Fig. 2 is the microscope figure of scale inhibition pipe of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the present invention provides a kind of production technology of scale inhibition pipe comprising following steps:
PP and/or PE raw material are passed through semi-molten molding sintering by S1, PP the and/or PE raw material for taking super high molecular weight
Form housing filter core.
Wherein, PP the and/or PE raw material of the super high molecular weight taken are preferably powderous primary material.In an embodiment
In, when the PP using super high molecular weight is as raw material, the technological parameter of semi-molten molding sintering are as follows: sintering temperature is set as
185~210 DEG C, sintering time 17min, cooling time 14min.Preferably, when the PP using super high molecular weight is as former
When material, the technological parameter of semi-molten molding sintering are as follows: sintering temperature is set as 185~210 DEG C, sintering time 17min, cold
But the time is 14min.
In one embodiment, when the PE using super high molecular weight is as raw material, the work of semi-molten molding sintering
Skill parameter are as follows: sintering temperature is set as 160~200 DEG C, and sintering time is 10~20min, and cooling time is 10~14min.It is excellent
Selection of land, when the PP using super high molecular weight is as raw material, the technological parameter of semi-molten molding sintering are as follows: sintering temperature setting
Be 170~190 DEG C, sintering time 15min, cooling time 12min.
PP and/or PE raw material are passed through semi-molten molding sintering by S2, PP the and/or PE raw material for taking super high molecular weight
Form inner sleeve filter core.
Wherein, the raw material in step S2 are identical as the raw material in step S1.When carrying out semi-molten molding sintering, it is related to
Sintering temperature, sintering time and cooling time it is identical as the parameter in step S1.
S3, it assembles housing filter core and inner sleeve filter core to form tube body, then be poured between housing filter core and inner sleeve filter core
FOF antisludging agent makes whole branch filter core the former FOF antisludging agent filter layer such as form, and forms the resistance by semi-molten molding sintering
Dirt pipe.
Wherein, the weight accounting of the FOF antisludging agent poured into is 10%.
As shown in Fig. 2, the scale inhibition pipe includes: outer the present invention also provides a kind of scale inhibition pipe obtained by above-mentioned production technology
Cover filter core and the inner sleeve filter core with housing filter core coaxial arrangement and formed interlayer, the housing filter core and inner sleeve filter core
Between be filled with FOF antisludging agent.
As shown in Figure 2, due to the technique by semi-molten molding sintering, the outer Mi Neisong of the scale inhibition pipe of acquisition, interlayer are uniform,
And the inside of the scale inhibition pipe is formed with and enables the channel of FOF antisludging agent slow release, which obviate existing and active carbons
The FOF antisludging agent of combined use is unevenly distributed and is easy to fall off the problem of forming impurity.
In order to verify the scale inhibition effect of scale inhibition pipe of the present invention, it is comparative example that the FOF antisludging agent being used in combination with carbon-point, which is arranged,
The scale inhibition performance of both comparisons, test procedure are as follows under different experimental conditions:
(1) scale inhibition performance for the FOF antisludging agent being used in combination with carbon-point is tested
Step 1: preparing mark-on hard water concentration 300ppm
3 grams of anhydrous calcium chlorides (CaCl2) will be sequentially added in 10 liters of RO pure water, 2.5 grams of sodium bicarbonates are then added
(NaHCO3), it needs bit by bit to be added, while ceaselesslying while putting and stirring evenly.It is placed 2 hours after preparing, observes bucket
Either with or without crystallization on wall and the water surface, mark-on water need to prepared again by cancelling if having crystallization and precipitation or turbid phenomenon.
Step 2: carbon rod scale inhibition effect test of quantitative analysis
Mark-on water is taken 200ml to be discharged water sample, 0.1 gram of sodium bicarbonate is added by carbon rod with 2.5L/min flow velocity
(NaHCO3), boiled after water sample being mixed, it is filtered after cooling with filter paper, tests water sample filtrate hardness A with water hardness instrument.
200ml mark-on water separately is taken, is directly added into 0.1 gram of sodium bicarbonate (NaHCO3), it is boiled after mixing, filter paper is used after cooling
Filtering tests mark-on filter liquor hardness B with water hardness instrument.
Mark-on water hardness C is tested with water hardness instrument.
Scale inhibition performance=(water sample filtrate hardness A- mark-on filter liquor hardness B)/(mark-on water hardness C- mark-on filter liquor hardness B)
X100%
Scale inhibition performance=(A-B)/(C-B) * 100%
Then carbon rod access pipe network water is metalled run out, every taking-up above test of mark-on water repetition after crossing 1000L water calculated
Scale inhibition performance after water.
(2) the scale inhibition performance test of scale inhibition pipe of the present invention
Testing procedure is tested with the scale inhibition performance for the FOF antisludging agent being used in combination with carbon-point.
Test result is as shown in table 1:
| Initially | 1T | 2T | 3T | 4T | 5T | |
| Scale inhibition carbon-point | 29% | 27% | 26% | 24% | 21% | 18% |
| FOF | 40% | 36% | 34% | 33% | 30% | 29% |
Table 1
In table 1, T represents ton.It can be seen that comparing scale inhibition carbon-point, scale inhibition pipe of the present invention passes through slow release FOF scale inhibition
Agent has preferable scale inhibition effect, and can constantly play the role of scale inhibition.
In conclusion scale inhibition pipe of the present invention, by slow release FOF antisludging agent, whole branch filter core FOF antisludging agent is evenly distributed,
Without short circuit phenomenon, without short slab, there is preferable scale inhibition effect, and can constantly play the role of scale inhibition.Meanwhile FOF scale inhibition
Agent will not change water quality after entering water, small on raw water pH influence, be conducive to the characteristic for keeping raw water.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (9)
1. a kind of production technology of scale inhibition pipe, which is characterized in that the production technology includes the following steps:
S1, PP the and/or PE raw material for taking super high molecular weight form PP and/or PE raw material by semi-molten molding sintering
Housing filter core；
S2, PP the and/or PE raw material for taking super high molecular weight form PP and/or PE raw material by semi-molten molding sintering
Inner sleeve filter core；
S3, assemble housing filter core and inner sleeve filter core to form tube body, then to poured between housing filter core and inner sleeve filter core FOF resistance
Dirty agent, and the scale inhibition pipe is formed by semi-molten molding sintering.
2. the production technology of scale inhibition pipe according to claim 1, which is characterized in that when the PP conduct using super high molecular weight
When raw material, step S1 is into S3, the technological parameter of semi-molten molding sintering are as follows: sintering temperature is set as 180~220 DEG C, burns
The knot time is 15~20min, and cooling time is 12~16min.
3. the production technology of scale inhibition pipe according to claim 2, which is characterized in that when the PP conduct using super high molecular weight
When raw material, step S1 is into S3, the technological parameter of semi-molten molding sintering are as follows: sintering temperature is set as 185~210 DEG C, burns
The knot time be 17min, cooling time 14min.
4. the production technology of scale inhibition pipe according to claim 1, which is characterized in that when the PE conduct using super high molecular weight
When raw material, step S1 is into S3, the technological parameter of semi-molten molding sintering are as follows: sintering temperature is set as 160~200 DEG C, burns
The knot time is 10~20min, and cooling time is 10~14min.
5. the production technology of scale inhibition pipe according to claim 4, which is characterized in that when the PP conduct using super high molecular weight
When raw material, step S1 is into S3, the technological parameter of semi-molten molding sintering are as follows: sintering temperature is set as 170~190 DEG C, burns
The knot time be 15min, cooling time 12min.
6. the production technology of scale inhibition pipe according to claim 1, which is characterized in that the PP of the super high molecular weight and/or
PE raw material are powderous primary material.
7. the production technology of scale inhibition pipe according to claim 1, which is characterized in that the weight of the FOF antisludging agent poured into accounts for
Than being 10%.
8. a kind of scale inhibition pipe obtained by the described in any item production technologies of claim 1 to 7.
9. scale inhibition pipe according to claim 8, which is characterized in that the FOF antisludging agent being packaged in the tube body uniformly divides
Cloth is in entire tube body, and the channel by being formed in tubular body is released slowly in water body.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811654313.3A CN109694136B (en) | 2018-12-29 | 2018-12-29 | Scale inhibition pipe and production process thereof |
| PCT/CN2019/119042 WO2020134697A1 (en) | 2018-12-29 | 2019-11-18 | Scale inhibiting pipe and manufacturing process therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811654313.3A CN109694136B (en) | 2018-12-29 | 2018-12-29 | Scale inhibition pipe and production process thereof |
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| CN109694136A true CN109694136A (en) | 2019-04-30 |
| CN109694136B CN109694136B (en) | 2022-05-10 |
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| WO (1) | WO2020134697A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020134697A1 (en) * | 2018-12-29 | 2020-07-02 | 苏州凯虹高分子科技有限公司 | Scale inhibiting pipe and manufacturing process therefor |
| CN113842708A (en) * | 2020-06-28 | 2021-12-28 | 朱晓峰 | Filter element for controlling release of scale inhibition components in water purification system and production method |
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Also Published As
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| WO2020134697A1 (en) | 2020-07-02 |
| CN109694136B (en) | 2022-05-10 |
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